问题
填空题
2.5:
|
答案
2.5:
,7 4
=
:5 2
,7 4
=(
×4):(5 2
×4),7 4
=10:7;
2.5:
,7 4
=
:5 2
,7 4
=
÷5 2
,7 4
=
;10 7
1.2米:75厘米,
=120厘米:75厘米,
=120:75,
=(120÷15):(75÷15),
=8:5;
故答案为:10:7,
;8:5.10 7
2.5:
|
2.5:
,7 4
=
:5 2
,7 4
=(
×4):(5 2
×4),7 4
=10:7;
2.5:
,7 4
=
:5 2
,7 4
=
÷5 2
,7 4
=
;10 7
1.2米:75厘米,
=120厘米:75厘米,
=120:75,
=(120÷15):(75÷15),
=8:5;
故答案为:10:7,
;8:5.10 7